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1990—1991年为河南省夏棉品种区域试验的第二轮,承担试验的协作单位有中国农科院棉花研究所、南阳地区农科所、洛阳市农科所、商丘地区农科所、黄泛区农场农科所、泌阳县农科所,延津县、兰考县、新野县棉办及河南省农科院经作所等。统一参加试验的品种(系)5个,有豫早1109、中268、中H6074、新84—2、百农84—1,对照品种均为中14。中国农科院棉花所纤维分析室进
1990-1991 for the second round of regional trials of summer and spring cotton varieties in Henan Province, the experimental units to undertake collaborations Cotton Institute of Chinese Academy of Agricultural Sciences, Nanyang Agricultural Science Institute, Luoyang Agricultural Research Institute, Shangqiu Agricultural Research Institute, Yellow Pan-farm farms, Biyang County Agricultural Science Institute, Yanjin County, Lankao County, Xinye Cotton County and Henan Academy of Agricultural Sciences by the Institute for example. There were 5 varieties (lines) that unifiedly participated in the experiment. There were 1109 in early Yuzhong, 268 in Zhonghong, 6074 in Zhongxin, 84-2 in Xinxin, 84-1 in Baimiao, and 14 in the control varieties. China Academy of Agricultural Sciences Cotton Fiber Analysis Room into